diff --git a/web_api/src/main/java/eu/arcadex/system/web_api/RequestRouter.java b/web_api/src/main/java/eu/arcadex/system/web_api/RequestRouter.java
index 2721c73..3e18648 100644
--- a/web_api/src/main/java/eu/arcadex/system/web_api/RequestRouter.java
+++ b/web_api/src/main/java/eu/arcadex/system/web_api/RequestRouter.java
@@ -18,21 +18,18 @@ import java.io.IOException;
  * @author DmitriyMX <mail@dmitriymx.ru> 2016 (порт на ArcadexSystem Reborn)
  */
 public class RequestRouter extends AbstractHandler {
-    private final Gson gson;
+    private final Gson gson  = new Gson();
     private Logger logger = LoggerFactory.getLogger(RequestRouter.class.getName());
 
     private DBMethodHandler dbHandler = new DBMethodHandler();
     private AdminMethodHandler restMethodHandler = new AdminMethodHandler(this);
 
-    public RequestRouter() {
-        this.gson = new Gson();
-    }
-
     @Override
     public void handle(String url, Request request, HttpServletRequest httpRequest, HttpServletResponse response) throws IOException, ServletException {
         request.setHandled(true);
         response.setContentType("text/html;charset=utf-8");
         // Some headers for Cross Domain Origin
+        // TODO: переместить в конфиг
         response.setHeader("Access-Control-Allow-Origin", "*");
         response.setHeader("Access-Control-Allow-Headers", "Authorization");
 
@@ -55,7 +52,7 @@ public class RequestRouter extends AbstractHandler {
      * @param request
      * @param httpRequest
      * @param response
-     * @return
+     * @return Response
      * @throws IOException
      * @throws ServletException
      */
@@ -70,7 +67,7 @@ public class RequestRouter extends AbstractHandler {
                 return (new Response("error", "Error: action not found"));
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            logger.error("Error route", e);
             response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
             return (new Response("error", "Error: internal server error"));
         }
diff --git a/web_api/src/main/java/eu/arcadex/system/web_api/methods/AdminMethodHandler.java b/web_api/src/main/java/eu/arcadex/system/web_api/methods/AdminMethodHandler.java
index 312f2af..9b2936a 100644
--- a/web_api/src/main/java/eu/arcadex/system/web_api/methods/AdminMethodHandler.java
+++ b/web_api/src/main/java/eu/arcadex/system/web_api/methods/AdminMethodHandler.java
@@ -46,7 +46,7 @@ public class AdminMethodHandler extends AbstractMethodHandler {
      * @param request
      * @param httpRequest
      * @param response
-     * @return
+     * @return Response
      * @throws IOException
      * @throws ServletException
      */
diff --git a/web_api/src/main/java/eu/arcadex/system/web_api/methods/DBMethodHandler.java b/web_api/src/main/java/eu/arcadex/system/web_api/methods/DBMethodHandler.java
index 51bf9f7..f784773 100644
--- a/web_api/src/main/java/eu/arcadex/system/web_api/methods/DBMethodHandler.java
+++ b/web_api/src/main/java/eu/arcadex/system/web_api/methods/DBMethodHandler.java
@@ -1,6 +1,5 @@
 package eu.arcadex.system.web_api.methods;
 
-import eu.arcadex.system.web_api.RequestRouter;
 import eu.arcadex.system.web_api.Response;
 import org.eclipse.jetty.server.Request;
 
@@ -51,7 +50,7 @@ public class DBMethodHandler extends AbstractMethodHandler {
      * @param request
      * @param httpRequest
      * @param response
-     * @return
+     * @return Response
      * @throws IOException
      * @throws ServletException
      */